HU9700579D0 - Novel prodrug for treating tumors and flogistic diseases - Google Patents
Novel prodrug for treating tumors and flogistic diseasesInfo
- Publication number
- HU9700579D0 HU9700579D0 HU9700579A HUP9700579A HU9700579D0 HU 9700579 D0 HU9700579 D0 HU 9700579D0 HU 9700579 A HU9700579 A HU 9700579A HU P9700579 A HUP9700579 A HU P9700579A HU 9700579 D0 HU9700579 D0 HU 9700579D0
- Authority
- HU
- Hungary
- Prior art keywords
- alkyl
- alkylamino
- glycosyl
- flogistic
- diseases
- Prior art date
Links
- 206010028980 Neoplasm Diseases 0.000 title 1
- 201000010099 disease Diseases 0.000 title 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 title 1
- 229940002612 prodrug Drugs 0.000 title 1
- 239000000651 prodrug Substances 0.000 title 1
- 125000000217 alkyl group Chemical group 0.000 abstract 4
- 229910052760 oxygen Inorganic materials 0.000 abstract 4
- 125000003282 alkyl amino group Chemical group 0.000 abstract 3
- 239000013543 active substance Substances 0.000 abstract 2
- 125000003147 glycosyl group Chemical group 0.000 abstract 2
- -1 methoxy, carboxy, methyloxycarbonyl Chemical group 0.000 abstract 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 abstract 2
- MAUMSNABMVEOGP-UHFFFAOYSA-N (methyl-$l^{2}-azanyl)methane Chemical compound C[N]C MAUMSNABMVEOGP-UHFFFAOYSA-N 0.000 abstract 1
- YBYIRNPNPLQARY-UHFFFAOYSA-N 1H-indene Natural products C1=CC=C2CC=CC2=C1 YBYIRNPNPLQARY-UHFFFAOYSA-N 0.000 abstract 1
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 abstract 1
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical group O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract 1
- 125000003342 alkenyl group Chemical group 0.000 abstract 1
- 125000005428 anthryl group Chemical group [H]C1=C([H])C([H])=C2C([H])=C3C(*)=C([H])C([H])=C([H])C3=C([H])C2=C1[H] 0.000 abstract 1
- 125000003118 aryl group Chemical group 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 230000004071 biological effect Effects 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 125000006310 cycloalkyl amino group Chemical group 0.000 abstract 1
- 125000000753 cycloalkyl group Chemical group 0.000 abstract 1
- 150000004676 glycans Polymers 0.000 abstract 1
- 125000000623 heterocyclic group Chemical group 0.000 abstract 1
- 125000001841 imino group Chemical group [H]N=* 0.000 abstract 1
- 125000003454 indenyl group Chemical group C1(C=CC2=CC=CC=C12)* 0.000 abstract 1
- 150000002772 monosaccharides Chemical class 0.000 abstract 1
- 125000001624 naphthyl group Chemical group 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- 150000002482 oligosaccharides Polymers 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 125000005561 phenanthryl group Chemical group 0.000 abstract 1
- 150000004804 polysaccharides Polymers 0.000 abstract 1
- 150000003141 primary amines Chemical class 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 150000003335 secondary amines Chemical class 0.000 abstract 1
- FDDDEECHVMSUSB-UHFFFAOYSA-N sulfanilamide Chemical compound NC1=CC=C(S(N)(=O)=O)C=C1 FDDDEECHVMSUSB-UHFFFAOYSA-N 0.000 abstract 1
- 229940124530 sulfonamide Drugs 0.000 abstract 1
- 229910052717 sulfur Inorganic materials 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H15/00—Compounds containing hydrocarbon or substituted hydrocarbon radicals directly attached to hetero atoms of saccharide radicals
- C07H15/20—Carbocyclic rings
- C07H15/203—Monocyclic carbocyclic rings other than cyclohexane rings; Bicyclic carbocyclic ring systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
- A61K47/51—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
- A61K47/54—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic compound
- A61K47/549—Sugars, nucleosides, nucleotides or nucleic acids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/70—Carbohydrates; Sugars; Derivatives thereof
- A61K31/7028—Compounds having saccharide radicals attached to non-saccharide compounds by glycosidic linkages
- A61K31/7034—Compounds having saccharide radicals attached to non-saccharide compounds by glycosidic linkages attached to a carbocyclic compound, e.g. phloridzin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
- A61K47/51—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
- A61K47/54—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic compound
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P37/00—Drugs for immunological or allergic disorders
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H1/00—Processes for the preparation of sugar derivatives
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Molecular Biology (AREA)
- Epidemiology (AREA)
- Biochemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Genetics & Genomics (AREA)
- Biotechnology (AREA)
- Immunology (AREA)
- Rheumatology (AREA)
- Pain & Pain Management (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Saccharide Compounds (AREA)
- Steroid Compounds (AREA)
- Medicinal Preparation (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
Abstract
Glycosyl derivatives of formula Glycosyl-YÄ-C(=Y)-X-Üp-W(R)n-Z-C(=Y)-active agent (I) and their salts are new: glycosyl = enzymatically cleavable poly-, oligo- or mono-saccharide; W = 5-14 membered aryl, naphthyl, indenyl, anthryl, phenanthryl, 5-14 membered heterocyclyl (containing 1-4 O, N or S), 1-6C alkyl, 2-6C alkenyl, 3-6C cycloalkyl or phenyl; R = H, 1-4C alkyl, phenyl, methoxy, carboxy, methyloxycarbonyl, CN, OH, NO2, F, Cl, Br, sulphonyl, sulphonamide or 1-4C sulphonalkylamide; p = 0-1; n = 0-3; X = O, NH, methyleneoxy, methyleneamino, methylene-1-4C alkylamino, 1-4C alkylamino, 3-6C cycloalkylamino; Y = O or NH; Z = 1-4C alkylamino, NCH3, C(CH3)2NH, CH(CH3)NH, C(CH3)2N(R<2>) or NH if W = 1-6C alkyl; R<2> = 1-4C alkyl; and active agent = a compound with biological effect bonded via an oxygen, primary or secondary amine or an imino group.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP96103866 | 1996-03-12 |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| HU9700579D0 true HU9700579D0 (en) | 1997-04-28 |
| HUP9700579A2 HUP9700579A2 (en) | 1997-12-29 |
| HUP9700579A3 HUP9700579A3 (en) | 1999-05-28 |
| HU228764B1 HU228764B1 (en) | 2013-05-28 |
Family
ID=8222555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HU9700579A HU228764B1 (en) | 1996-03-12 | 1997-03-12 | Novel prodrugs for treating tumors and flogistic diseases, pharmaceutical compns. contg. them and their preparation |
Country Status (24)
| Country | Link |
|---|---|
| US (1) | US5935995A (en) |
| EP (1) | EP0795334B1 (en) |
| JP (1) | JP4392065B2 (en) |
| KR (1) | KR100466467B1 (en) |
| CN (1) | CN1168733C (en) |
| AT (1) | ATE316799T1 (en) |
| AU (1) | AU708202B2 (en) |
| BG (1) | BG61900B1 (en) |
| BR (1) | BRPI9701248B1 (en) |
| CA (1) | CA2199664C (en) |
| CZ (1) | CZ297994B6 (en) |
| DE (1) | DE59712561D1 (en) |
| DK (1) | DK0795334T3 (en) |
| ES (1) | ES2257756T3 (en) |
| HU (1) | HU228764B1 (en) |
| NO (1) | NO320322B1 (en) |
| NZ (1) | NZ314368A (en) |
| PL (1) | PL189604B1 (en) |
| RO (1) | RO120951B1 (en) |
| RU (1) | RU2191021C2 (en) |
| SG (1) | SG50011A1 (en) |
| SI (1) | SI0795334T1 (en) |
| TR (1) | TR199700178A2 (en) |
| UA (1) | UA50719C2 (en) |
Families Citing this family (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5525606A (en) | 1994-08-01 | 1996-06-11 | The United States Of America As Represented By The Department Of Health And Human Services | Substituted 06-benzylguanines and 6(4)-benzyloxypyrimidines |
| DE19720312A1 (en) * | 1997-05-15 | 1998-11-19 | Hoechst Ag | Preparation with increased in vivo tolerance |
| AU772153B2 (en) | 1999-02-12 | 2004-04-08 | Molecular Insight Pharmaceuticals, Inc. | Matrices for drug delivery and methods for making and using the same |
| US6716452B1 (en) | 2000-08-22 | 2004-04-06 | New River Pharmaceuticals Inc. | Active agent delivery systems and methods for protecting and administering active agents |
| JP5005127B2 (en) | 1999-05-04 | 2012-08-22 | ストラカン・インターナショナル・リミテッド | Androgenic glycosides and their androgenic activity |
| US6191119B1 (en) * | 1999-10-15 | 2001-02-20 | Supergen, Inc. | Combination therapy including 9-nitro-20(S)-camptothecin |
| US8394813B2 (en) | 2000-11-14 | 2013-03-12 | Shire Llc | Active agent delivery systems and methods for protecting and administering active agents |
| DE10058596A1 (en) * | 2000-11-25 | 2002-06-06 | Aventis Pharma Gmbh | Method of screening chemical compounds for modulating the interaction of an EVH1 domain or a protein with an EVH1 domain with an EVH1 binding domain or a protein with an EVH1 binding domain, and a method for detecting said interaction |
| US20060014697A1 (en) | 2001-08-22 | 2006-01-19 | Travis Mickle | Pharmaceutical compositions for prevention of overdose or abuse |
| US7169752B2 (en) | 2003-09-30 | 2007-01-30 | New River Pharmaceuticals Inc. | Compounds and compositions for prevention of overdose of oxycodone |
| AU2002323570A1 (en) | 2001-08-30 | 2003-03-10 | Chemocentryx, Inc. | Bicyclic compounds as inhibitors of chemokine binding to us28 |
| CN1671724A (en) * | 2002-06-20 | 2005-09-21 | 日本水产株式会社 | Prodrug, medicinal utilization thereof and process for producing the same |
| US8133881B2 (en) | 2003-01-13 | 2012-03-13 | Shire Llc | Carbohydrate conjugates to prevent abuse of controlled substances |
| US7160867B2 (en) * | 2003-05-16 | 2007-01-09 | Isotechnika, Inc. | Rapamycin carbohydrate derivatives |
| CA2561993A1 (en) * | 2004-03-30 | 2006-04-13 | Painceptor Pharma Corporation | Compositions and methods for modulating gated ion channels |
| US7825096B2 (en) * | 2004-09-08 | 2010-11-02 | The United States Of America As Represented By The Department Of Health And Human Services | O6-alkylguanine-DNA alkyltransferase inactivators and beta-glucuronidase cleavable prodrugs |
| ES2389532T3 (en) * | 2005-06-29 | 2012-10-29 | Threshold Pharmaceuticals, Inc. | Phosphoramidate alkylating prodrugs |
| AU2008236684B2 (en) * | 2007-04-06 | 2013-04-18 | Ziopharm Oncology, Inc. | Salts of isophosphoramide mustard and analogs thereof |
| GB0907551D0 (en) * | 2009-05-01 | 2009-06-10 | Univ Dundee | Treatment or prophylaxis of proliferative conditions |
| RU2568639C2 (en) * | 2009-09-02 | 2015-11-20 | Окленд Юнисервисиз Лимитед | Kinase inhibitors, prodrug forms thereof and use thereof in therapy |
| KR101253399B1 (en) | 2010-10-26 | 2013-04-11 | 영남대학교 산학협력단 | Rapamycin formulation encapsulated in reconstituted high-density lipoprotein containing V156K-apoA-I |
| KR101628872B1 (en) | 2014-05-28 | 2016-06-09 | 주식회사 레고켐 바이오사이언스 | Compounds comprising self-immolative group |
| CN112451682A (en) | 2015-11-25 | 2021-03-09 | 乐高化学生物科学股份有限公司 | Conjugates comprising self-degrading groups and methods relating thereto |
| CA3006249A1 (en) | 2015-11-25 | 2017-06-01 | Legochem Biosciences, Inc. | Antibody-drug conjugates comprising branched linkers and methods related thereto |
| CA3006247A1 (en) | 2015-11-25 | 2017-06-01 | Legochem Biosciences, Inc. | Conjugates comprising peptide groups and methods related thereto |
| US11793880B2 (en) | 2015-12-04 | 2023-10-24 | Seagen Inc. | Conjugates of quaternized tubulysin compounds |
| US11229708B2 (en) | 2015-12-04 | 2022-01-25 | Seagen Inc. | Conjugates of quaternized tubulysin compounds |
| MX2019011655A (en) | 2017-03-29 | 2019-12-19 | Legochem Biosciences Inc | Pyrrolobenzodiazepine dimer precursor and ligand-linker conjugate compound thereof. |
| AU2019216531A1 (en) | 2018-02-02 | 2020-09-24 | Maverix Oncology, Inc. | Small molecule drug conjugates of gemcitabine monophosphate |
| CN112601555A (en) | 2018-05-09 | 2021-04-02 | 乐高化学生物科学股份有限公司 | Compositions and methods relating to anti-CD 19 antibody drug conjugates |
| KR20210028544A (en) | 2019-09-04 | 2021-03-12 | 주식회사 레고켐 바이오사이언스 | Antibody-drug conjugate comprising antibody binding to antibody against human ROR1 and its use |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5284856A (en) * | 1988-10-28 | 1994-02-08 | Hoechst Aktiengesellschaft | Oncogene-encoded kinases inhibition using 4-H-1-benzopyran-4-one derivatives |
| DE3836676A1 (en) * | 1988-10-28 | 1990-05-03 | Hoechst Ag | THE USE OF 4H-1-BENZOPYRAN-4-ON DERIVATIVES, NEW 4H-1-BENZOPYRAN-4-ON DERIVATIVES AND MEDICINAL PRODUCTS CONTAINING THEM |
| AU648015B2 (en) * | 1989-01-23 | 1994-04-14 | Akzo N.V. | Site specific in-vivo activation of therapeutic drugs |
| DE4106389A1 (en) * | 1991-02-28 | 1992-09-03 | Behringwerke Ag | FUSION PROTEINS FOR PRODRUG ACTIVATION, THEIR PRODUCTION AND USE |
| ES2102367T3 (en) * | 1990-05-18 | 1997-08-01 | Hoechst Ag | AMIDAS OF ISOXAZOL-4-CARBOXILIC ACIDS AND AMIDAS OF HIDROXIALQUILIDEN-CIANOACETIC ACIDS, MEDICINES CONTAINING THESE COMPOUNDS AND THEIR USE. |
| FR2676058B1 (en) * | 1991-04-30 | 1994-02-25 | Hoechst Lab | GLYCOSYLATED PRODUCTS, THEIR PREPARATION PROCESS AND THEIR USE IN THE TREATMENT OF CANCERS. |
| ES2069955T3 (en) * | 1991-10-25 | 1995-05-16 | Tungsram Reszvenytarsasag | LOW PRESSURE DISCHARGE LAMP WITH A SINGLE BUSHING. |
| DE4233152A1 (en) * | 1992-10-02 | 1994-04-07 | Behringwerke Ag | Antibody-enzyme conjugates for prodrug activation |
| CA2081281A1 (en) * | 1992-10-23 | 1994-04-24 | Shing-Ming Wang | Activation of glucuronide prodrugs by ligand-beta-glucuronidase conjugates for chemotherapy |
| DE4236237A1 (en) * | 1992-10-27 | 1994-04-28 | Behringwerke Ag | Prodrugs, their preparation and use as medicines |
| DE4314556A1 (en) * | 1993-05-04 | 1994-11-10 | Behringwerke Ag | Modified antibody-enzyme conjugates and fusion proteins and their use in tumor-selective therapy |
| EP0647450A1 (en) * | 1993-09-09 | 1995-04-12 | BEHRINGWERKE Aktiengesellschaft | Improved prodrugs for enzyme mediated activation |
| DE4417865A1 (en) * | 1994-05-20 | 1995-11-23 | Behringwerke Ag | Two component tumour therapy using necrosis inducing agent |
-
1997
- 1997-02-27 EP EP97103162A patent/EP0795334B1/en not_active Expired - Lifetime
- 1997-02-27 DE DE59712561T patent/DE59712561D1/en not_active Expired - Lifetime
- 1997-02-27 SI SI9730727T patent/SI0795334T1/en unknown
- 1997-02-27 AT AT97103162T patent/ATE316799T1/en active
- 1997-02-27 DK DK97103162T patent/DK0795334T3/en active
- 1997-02-27 ES ES97103162T patent/ES2257756T3/en not_active Expired - Lifetime
- 1997-03-03 RO RO97-00402A patent/RO120951B1/en unknown
- 1997-03-06 BG BG101290A patent/BG61900B1/en unknown
- 1997-03-06 RU RU97103585/14A patent/RU2191021C2/en not_active IP Right Cessation
- 1997-03-07 AU AU16205/97A patent/AU708202B2/en not_active Ceased
- 1997-03-10 TR TR97/00178A patent/TR199700178A2/en unknown
- 1997-03-10 NZ NZ314368A patent/NZ314368A/en not_active IP Right Cessation
- 1997-03-10 PL PL97318878A patent/PL189604B1/en unknown
- 1997-03-11 NO NO19971116A patent/NO320322B1/en not_active IP Right Cessation
- 1997-03-11 UA UA97031095A patent/UA50719C2/en unknown
- 1997-03-11 JP JP05598397A patent/JP4392065B2/en not_active Expired - Fee Related
- 1997-03-11 CA CA002199664A patent/CA2199664C/en not_active Expired - Fee Related
- 1997-03-11 CZ CZ0074297A patent/CZ297994B6/en not_active IP Right Cessation
- 1997-03-11 BR BRPI9701248A patent/BRPI9701248B1/en not_active IP Right Cessation
- 1997-03-11 CN CNB971034656A patent/CN1168733C/en not_active Expired - Fee Related
- 1997-03-11 US US08/814,655 patent/US5935995A/en not_active Expired - Lifetime
- 1997-03-12 SG SG1997000702A patent/SG50011A1/en unknown
- 1997-03-12 HU HU9700579A patent/HU228764B1/en not_active IP Right Cessation
- 1997-03-12 KR KR1019970008174A patent/KR100466467B1/en not_active Expired - Fee Related
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